The table describes three objects that formed from stars of similar mass to the Sun.
| Object | Observation |
|---|---|
| P | Compact, hot remnant with no nuclear fusion |
| Q | Stable hydrogen fusion in the core |
| R | Greatly expanded outer layers and a cooler surface |
Which order shows the stages from earliest to latest?
P, Q, R
Q, R, P
R, Q, P
Q, P, R
75 exam-style questions on Edexcel GCSE Physics 7.3 Stars, covering 7.3.1 Evolution of stars similar to the Sun, 7.3.2 Evolution of massive stars, and 7.3.3 Observing the Universe. Each one has a worked solution and a mark scheme showing where the marks go.